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VIPER25HD Datasheet(PDF) 7 Page - STMicroelectronics

Part No. VIPER25HD
Description  Off-line high voltage converters
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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VIPER25HD Datasheet(HTML) 7 Page - STMicroelectronics

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VIPER25
Electrical data
Doc ID 15585 Rev 4
7/40
4.3
Electrical characteristics
(TJ = -25 to 125 °C, VDD = 14 V
(a); unless otherwise specified)
a.
Adjust VDD above VDDon start-up threshold before settings to 14 V.
Table 6.
Power section
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
VBVDSS
Break-down voltage
IDRAIN = 1 mA, VFB = GND
TJ = 25 °C
800
V
IOFF
OFF state drain current
VDRAIN = max rating,
VFB = GND
60
μA
RDS(on)
Drain-source on state
resistance
IDRAIN = 0.2 A, VFB = 3 V,
VBR = GND, TJ = 25 °C
7
Ω
IDRAIN=0.2A,VFB=3V,
VBR = GND, TJ = 125 °C
14
Ω
COSS
Effective (energy related)
output capacitance
VDRAIN = 0 to 640 V
40
pF
Table 7.
Supply section
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
Voltage
VDRAIN_START Drain-source start voltage
60
80
100
V
IDDch
Start-up charging current
VDRAIN = 120 V,
VBR = GND, VFB = GND,
VDD = 4 V
-2
-3
-4
mA
VDRAIN = 120 V,
VBR = GND, VFB = GND,
VDD = 4 V after fault.
-0.4
-0.6
-0.8
mA
VDD
Operating voltage range
After turn-on
8.5
23.5
V
VDDclamp
VDD clamp voltage
IDD = 20 mA
23.5
V
VDDon
VDD start-up threshold
VDRAIN = 120 V,
VBR = GND, VFB = GND
13
14
15
V
VDDoff
VDD under voltage
shutdown threshold
7.588.5
V
VDD(RESTART)
VDD restart voltage
threshold
VDRAIN = 120 V,
VBR = GND, VFB = GND
44.5
5
V
Current
IDD0
Operating supply current,
not switching
VFB = GND, FSW = 0 kHz,
VBR = GND, VDD = 10 V
0.9
mA
IDD1
Operating supply current,
switching
VDRAIN = 120 V,
3.5
mA
IDD_FAULT
Operating supply current,
with protection tripping
400
μA
IDD_OFF
Operating supply current
with VDD < VDDoff
VDD = 7 V
270
μA


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